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HS Code |
208361 |
| Chemical Name | 4-Methylphthalic Anhydride |
| Cas Number | 3286-20-0 |
| Molecular Formula | C9H6O3 |
| Molecular Weight | 162.14 g/mol |
| Appearance | White crystalline solid |
| Melting Point | 112-115 °C |
| Boiling Point | 344 °C |
| Solubility In Water | Reacts with water, slightly soluble |
| Purity | Typically ≥98% |
| Storage Conditions | Store in a cool, dry, well-ventilated place |
| Smiles | Cc1ccc2c(C1)C(=O)OC2=O |
| Density | 1.38 g/cm³ |
As an accredited 4-Methylphthalic Anhydride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
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Purity 99%: 4-Methylphthalic Anhydride with purity 99% is used in high-performance polyester resins synthesis, where it ensures enhanced polymer clarity and tensile strength. Melting Point 133°C: 4-Methylphthalic Anhydride with melting point 133°C is used in thermosetting plastics manufacturing, where it provides precise thermal processing control. Low Moisture Content: 4-Methylphthalic Anhydride with low moisture content is used in electronics encapsulation materials, where it reduces risk of hydrolytic degradation. Fine Particle Size <100 µm: 4-Methylphthalic Anhydride with fine particle size <100 µm is used in powder coatings, where it improves dispersion and surface uniformity. Stable up to 200°C: 4-Methylphthalic Anhydride stable up to 200°C is used in automotive coating intermediates, where it delivers consistent performance during high-temperature curing. High Assay: 4-Methylphthalic Anhydride with high assay is used in specialty chemicals production, where it enhances yield and purity of end products. Low Impurity Grade: 4-Methylphthalic Anhydride with low impurity grade is used in pharmaceutical intermediates, where it minimizes side reactions and by-product formation. |
| Packing | The packaging contains 100 grams of 4-Methylphthalic Anhydride in a sealed amber glass bottle with a secure, chemical-resistant screw cap. |
| Container Loading (20′ FCL) | 20′ FCL loaded with 4-Methylphthalic Anhydride packed in 25kg bags, palletized, securely wrapped, suitable for safe international transport. |
| Shipping | 4-Methylphthalic Anhydride should be shipped in tightly sealed containers, protected from moisture and incompatible substances. It must be handled as a hazardous chemical, adhering to local and international transport regulations. Use appropriate labeling and secondary containment, and avoid extreme temperatures during transit to ensure safety and product integrity. |
| Storage | 4-Methylphthalic Anhydride should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from moisture, heat, and incompatible substances such as oxidizing agents and strong bases. Avoid exposure to direct sunlight. Always keep the storage area clearly labeled and handle the chemical under an inert atmosphere if possible to prevent hydrolysis. |
| Shelf Life | 4-Methylphthalic Anhydride typically has a shelf life of 2–3 years when stored in a cool, dry, tightly sealed container. |
Competitive 4-Methylphthalic Anhydride prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
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Tel: +8615380400285
Email: sales2@liwei-chem.com
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